How do you test the effervescence of a mineral?

Idk if it helps but the answer I found was:
Geologists (scientists who study the earth and its rocks) use many different methods to identify minerals that make up rocks. These experiments will help you to discover which minerals are in a rock sample. You can also indentify rocks with a magnifying glass or from their hardless.

The acid test demontrates if a gas given off by the minerals. The second experiment is used to discover a rock sample’s specofic gravity. It comparesa mineral’s density to the density measure how compact the particles are that make up a sample. Every minerals has a different density, which means that samples of the same mineral will have the same density

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